N. The Fastest Machine to Race on Dirt. Usually around 1-4 tons, Averaging 80-120 miles per hour. These cars have no first gear and cannot start by themselves. Sprint cars also can race on Asphalt Tracks. They have few different classes of them, wingless, 410, 360, and 305. 410, 360, and 305 are classes of motors used by Sprint Car Drivers. 410 being the fastest, so on and so forth.
by Speed September 26, 2004